| Chioggia to Oswego (Illinois) | 4,696.15 mi (7,557.73 km) |
| Chioggia to Oswego (New York) | 4,149.89 mi (6,678.61 km) |
| Chioggia to Otsego (Minnesota) | 4,724.69 mi (7,603.66 km) |
| Chioggia to Ottawa (Illinois) | 4,730.11 mi (7,612.37 km) |
| Chioggia to Ottawa (Kansas) | 5,107.68 mi (8,220.02 km) |
| Chioggia to Ottumwa (Iowa) | 4,882.76 mi (7,858.05 km) |
| Chioggia to Overland (Missouri) | 4,914.70 mi (7,909.45 km) |
| Chioggia to Overland Park (Kansas) | 5,071.74 mi (8,162.17 km) |
| Chioggia to Overlea (Maryland) | 4,318.84 mi (6,950.50 km) |
| Chioggia to Oviedo (Florida) | 4,999.56 mi (8,046.02 km) |
| Chioggia to Owasso (Oklahoma) | 5,244.22 mi (8,439.75 km) |
| Chioggia to Owatonna (Minnesota) | 4,766.44 mi (7,670.85 km) |
| Chioggia to Owensboro (Kentucky) | 4,829.39 mi (7,772.16 km) |
| Chioggia to Owings Mills (Maryland) | 4,328.45 mi (6,965.96 km) |
| Chioggia to Owosso (Michigan) | 4,475.71 mi (7,202.96 km) |
